要删除recycleview.Once按钮上的项目删除firebase数据库中的clicked.The项目，但在回收视图中该项目存在

Question

它在firebase database..but中删除我必须登录和注销才能看到回收器视图才能删除项目，或者更改活动布局，如上一步并单击回收器视图活动页面以清除项目。该项目是在那里，即使它的deleted.What我应该做，以清除项目在回收器视图后，从数据库中删除它。

Context context;
List<Planner> MainImageUploadInfoList;


public RecyclerPlanner(Context context, List<Planner> TempList) {

    this.MainImageUploadInfoList = TempList;

    this.context = context;
    SharedPreferences userlogin = context.getSharedPreferences("userlogin",0);
    userid = userlogin.getString("UserID",null);
}

@Override
public void onBindViewHolder(final ViewHolder holder, int position) {

    final Planner directory = MainImageUploadInfoList.get(position);

    holder.deldir.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            FirebaseDatabase database = FirebaseDatabase.getInstance();
            DatabaseReference myRef = database.getReference();

            DatabaseReference planner = myRef.child("Planner");
            DatabaseReference planner1 = planner.child(userid);
            date = directory.getDate();
            locationid = directory.getLocationID();
            date1 = date.replace("/", "");

            DatabaseReference planner2 = planner1.child(date1);

            planner2.child(locationid).removeValue();

        }
    });

}

@Override
public int getItemCount() {

    return MainImageUploadInfoList.size();
}

Answer 1

在你的delete方法中使用这个-

MainImageUploadInfoList.remove(position);
notifyItemRemoved(position);
notifyItemRangeChanged(position, getItemCount());